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2015-07-25: Jerry Stone -- Is Pluto a Planet?

London meeting, SOAS, 25 July 2015

Space expert Jerry Stone looks at the reasoning behind the decision to demote Pluto from being a planet and concludes that either it is a planet, or the Solar System has no official planets at all! Talk given to the Society for Popular Astronomy on 25 July 2015 at the School for Oriental and African Studies, University of London.